The federal civil service was created by an Act of Congress in 1871.
Photos. There have been more than 150 earthquakes in the past week in Oklahoma, according to the Oklahoma Geological Survey (OGS).Thatâs not normal. Before 2009, the United States Geological Survey (USGS) reported Oklahoma would typically get three or fewer 3.0+ magnitude quakes a year.n the last few years, the average jumped up to about 40 significant quakes a year. Less than 2 months into 2014, Oklahoma has had more than 25 quakes registering 3.0+ magnitude in Oklahoma. Michael Lewchuk, an earthquake expert with Casady School, told KOCO, âFor Oklahoma that is an unusually large amount.
Large earthquakes have struck this region every 100 to 120 years, from 686 to 1946. The researchers hope to catch the next big one in the act and find a warning sign that could provide more than a minuteâs notice that a monster quake is on its way.